ASSOCIATION OF COLLEGES AND STATIONS. 41 



rapid progress in bacterial and physiological investigations and special 

 studies on the selection and breeding of plants. At the meeting of the 

 section papers were presented on the relations of instruction and 

 research in horticulture in the agricultural, colleges; cooperation 

 between the farmer and the experiment station; observations concern- 

 ing the first and second generations of plants; the effect of light and 

 heat on the germination of Kentucky blue grass and on the quality of 

 some commercial samples of grass and clover seed. 



The report of the section on entomology presented by Prof. M. V. 

 Slingerland, of the Cornell University Experiment Station, reviewed 

 the progress of entomology during the past year, especially as regards 

 instruction, investigation, and inspection. At the meeting of the sec- 

 tion the following papers were read: A year's experience with crude 

 petroleum in New Jerse}^; Some of the most important insects in 

 Massachusetts; The time of emergence and oviposition of the spring 

 brood of the Hessian fly; Life history of the sugar-cane borer in 

 Louisiana; Florida observations and experimental work; Apple aphids; 

 and A folding fumigator. 



The report of the section of mechanic arts was presented by Prof. 

 H. W. Tyler, of the Massachusetts Institute of Technology. This 

 gave at some length the progress of instruction in mechanic arts dur- 

 ing the year. 



